Final answer:
A clarifying shampoo is used to remove product buildup from the hair, resulting in clean and refreshed hair.
Step-by-step explanation:
A clarifying shampoo is used to remove product buildup from the hair. It is designed to deep-cleanse the hair and scalp, removing excess oils, dirt, and residue from styling products. Clarifying shampoos are especially useful for individuals who use a lot of hair styling products or have hard water deposits on their hair.
By using a clarifying shampoo, Aitana was trying to achieve clean and refreshed hair, free from product buildup. This can help to improve the overall appearance and manageability of the client's hair.